London's Pulse: Medical Officer of Health reports 1848-1972
View report page
Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
West Ham 1946
[Report of the Medical Officer of Health for West Ham]
This page requires JavaScript
BACTERIOLOGICAL EXAMINATION OF ICE CREAM
| Bacterial content per millilitre | Coliform bac. per millilitre | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Source of Sample | Number Sampled | 1- | 50,000— | 100,000— | 200,000— | 500,000— | 1 million & over | 1 | 1/10th | 1/100th | 1/1000th |
| Shopkeeper | 27 | 6 | 3 | 3 | 1 | 5 | 9 | 7 | 7 | 4 | 6 |
| Itinerant Vendor | 7 | 3 | - | - | - | - | 4 | - | 1 | - | 2 |
| Manufacturers' Premises | 10 | 4 | - | 1 | - | 1 | 4 | 3 | - | 1 | 2 |
| Totals | 44 | 13 | 3 | 4 | 1 | 6 | 17 | ||||
In all cases of unsatisfactory results, letters of warning were
sent and the premises inspected generally, special attention being
given to the utensils. In every case subsequent samples proved
satisfactory.
CONDENSED MILK REGULATIONS. During the year
four samples of condensed machine-skimmed sweetened, and
four samples of condensed full-cream milk sweetened were submitted
for analysis.
These were also examined for the purpose of testing the
equivalent. All samples, including the labelling requirements,
complied with the Regulations.
ACTION TAKEN ON ADULTERATED SAMPLES
The following five adulterated samples were all taken
officially: —
Butter. 0.3% excessive water; subsequent samples proved
genuine.
Margarine. 0.5% excessive water; letter of caution; subsequent
samples proved genuine.
Non-brewed Vinegars. One deficient in acetic acid 12.5% ;
letter of caution sent; subsequent samples proved genuine. One
deficient in acetic acid 47.5%. Prosecution—dismissed under
Probation of Offenders' Act on payment of 5s. costs.
Glauber Salts. Contained excessive crystallised sodium
sulphate; letter of caution.
25